It was a strong night for cable dramas last night. After the second-season finale of HBO’s Game Of Thrones posted a series high 4.2 million viewers at 9 PM, the series premiere of A&E’s Longmire at 10 PM drew 4.1 million total viewers to become the network’s most-watched scripted series debut of all time and the highest-rated new cable scripted drama of 2012 among total viewers and adults 25-54 (1.4 million viewers). Longmire skewed older, averaging 986,000 viewers among adults 18-49, below A&E’s highest-rated premiere in the demo, Breakout Kings (1.5 million) and this year’s top new cable drama in 18-49, Lifetime’s The Client List. At 9 PM, the Season 3 premiere of A&E’s drama The Glades garnered 3.1 million total viewers, up 19% from last season; 1.4 million adults 25-54 (up 27%); and 1.1 million adults 18-49 (up 17%).